201184281

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 313709760

約数和(自身を除く): 112525479

約数列:

[1, 3, 9, 29, 37, 83, 87, 111, 249, 251, 261, 333, 747, 753, 1073, 2259, 2407, 3071, 3219, 7221, 7279, 9213, 9287, 9657, 20833, 21663, 21837, 27639, 27861, 62499, 65511, 83583, 89059, 187497, 267177, 269323, 604157, 770821, 801531, 807969, 1812471, 2312463, 2423907, 5437413, 6937389, 22353809, 67061427, 201184281]

約数ペア:

[(1, 201184281), (3, 67061427), (9, 22353809), (29, 6937389), (37, 5437413), (83, 2423907), (87, 2312463), (111, 1812471), (249, 807969), (251, 801531), (261, 770821), (333, 604157), (747, 269323), (753, 267177), (1073, 187497), (2259, 89059), (2407, 83583), (3071, 65511), (3219, 62499), (7221, 27861), (7279, 27639), (9213, 21837), (9287, 21663), (9657, 20833)]